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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Oscillator start-up timer ： ウィキペディア英語版 Oscillator start-up timer An oscillator start-up timer (OST) is a module used by some microcontrollers to keep the device reset until the crystal oscillator is stable. When a crystal oscillator starts up, its frequency is not constant, which causes the clock frequency to be non-constant. This would cause timing errors, leading to many problems. An oscillator start-up timer ensures that the device only operates when the oscillator generates a stable clock frequency.〔(PIC tutorials - PIC16x8x ), retrieved 27 October 2011〕〔(Maxim - Crystal Considerations with Maxim Real-Time Clocks ), retrieved 27 October 2011〕 The PIC microcontroller's oscillator start-up timer holds the device's reset for a 1024-oscillator-cycle delay to allow the oscillator to stabilize.〔(Microchip - reset ), retrieved 27 October 2011〕 ==See also== *Power-on reset *Brown-out reset *Watchdog timer *Low-Voltage Detect 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Oscillator start-up timer」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.